A common material visible and tangible in our daily lives, copper is also a representative material widely used internally in unseen machinery and devices. Its internal use is attributed to its high electrical conductivity, excellent thermal conductivity, antimicrobial properties, good processability, and strong corrosion resistance. It is employed in applications ranging from electronic components to power equipment. the eye-catching appearance is also a characteristic of bronze, as seen in copper statues, which undergo color changes over time, ranging from reddish-brown to brown, black, and green.